Java
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import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int month = sc.nextInt();
switch (month){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
System.out.println("31");
break;
case 4:
case 6:
case 9:
case 11:
System.out.println("30");
break;
case 2:
System.out.println("28");
break;
}
}
}
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cs |